EMailRANDI2Validator.java

/* 
 * (c) 2008- RANDI2 Core Development Team
 * 
 * This file is part of RANDI2.
 * 
 * RANDI2 is free software: you can redistribute it and/or modify it under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * RANDI2 is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * RANDI2. If not, see <http://www.gnu.org/licenses/>.
 */
package de.randi2.utility.validations;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;

public class EMailRANDI2Validator implements ConstraintValidator<EMailRANDI2, String> {

	@Override
	public void initialize(EMailRANDI2 parameters) {
	}

	@Override
	public boolean isValid(String mail, ConstraintValidatorContext constraintContext) {
		if (mail == null)
			return false;
		else {
			return mail
					.matches("[_A-Za-z0-9-]+(\\.[_A-Za-z0-9-]+)*@([A-Za-z0-9-]+(\\.)?)+\\.([a-zA-Z]){2,4}");
		}
	}
}